CN202543880U - Existing roadbed dense state detector - Google Patents
Existing roadbed dense state detector Download PDFInfo
- Publication number
- CN202543880U CN202543880U CN 201220133896 CN201220133896U CN202543880U CN 202543880 U CN202543880 U CN 202543880U CN 201220133896 CN201220133896 CN 201220133896 CN 201220133896 U CN201220133896 U CN 201220133896U CN 202543880 U CN202543880 U CN 202543880U
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- China
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- roadbed
- feeler lever
- displacement sensor
- dense state
- existing
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses an existing roadbed dense state detector which comprises a feeler lever, a data collecting device and an electronic testing device, wherein the bottom of the data collecting device is provided with an angle adjusting device, the side portion of the data collecting device is provided with a guide frame, the feeler lever is inserted into the guide frame, the lower end of the feeler lever is provided with a conic probe, the upper end of the feeler lever is provided with an energy measurement device, a stay cord type displacement sensor and an angle sensor are arranged in the data collecting device, a stay cord of the stay cord type displacement sensor is connected with a side handle of the energy measurement device, and the energy measurement device, the stay cord type displacement sensor and the angle sensor are connected with the electronic testing device through the data collecting device. The existing roadbed dense state detector can detect compaction state of existing roadbeds without affecting running of trains, and therefore plays a significant role in perfecting railway roadbed compaction quality detection technology and roadbed engineering maintenance technology. The detector is portable, convenient to use, rapid in detection, reliable in datum, free from damage, undisturbed in traveling, capable of detecting roadbed soil bodies through roadbed surfaces and roadbed slope surfaces, and suitable for detection and estimation of compaction state of existing ballast track railway roadbeds and ballastless track railway roadbeds.
Description
Technical field
The utility model relates to a kind of checkout equipment, relates in particular to a kind of existing roadbed dense state detector.
Background technology
Roadbed is the earth structure of being built by native stone class discrete material, receives the influence of train load and natural environment, and subgrade defect is unavoidable.The prerequisite of disease regulation is position and filler, soil body status detection and assessments such as existing bedding, substrates, but receives the restriction of busy transportation of train and track labyrinth, on roadbed, tests having difficulties in a large number.
All there is weak point in the detection methods such as static(al), dynamic sounding, wave velocity method, nucleon ray method and geologic radar detection that at present the existing railway roadbed adopted, are difficult to be applied to existing railway roadbed dense state and detect and assess.
The utility model content
The purpose of the utility model provides a kind of existing roadbed dense state detector that can be applied to detection of existing railway roadbed dense state and assessment.
The purpose of the utility model realizes through following technical scheme:
The existing roadbed dense state detector of the utility model; Comprise feeler lever, data acquisition unit, electronic test equipment; The bottom of said data acquisition unit is provided with angle regulator, sidepiece is provided with leading truck; Said feeler lever is inserted in the said leading truck, and the lower end of said feeler lever is provided with conical probe, the upper end is provided with energy measuring apparatus, is provided with draw-wire displacement sensor and angular transducer in the said data acquisition unit; The stay cord of said draw-wire displacement sensor is connected with the upper end of said feeler lever, and said energy measuring apparatus, draw-wire displacement sensor and angular transducer are connected with said electronic test equipment through data acquisition unit.
Technical scheme by above-mentioned the utility model provides can be found out; The existing roadbed dense state detector that the utility model provides; Because the bottom of data acquisition unit is provided with angle regulator, sidepiece is provided with leading truck; Feeler lever is inserted in the leading truck, and the lower end of feeler lever is provided with conical probe, the upper end is provided with energy measuring apparatus, is provided with draw-wire displacement sensor and angular transducer in the data acquisition unit; The stay cord of draw-wire displacement sensor is connected with the upper end of feeler lever; Energy measuring apparatus, draw-wire displacement sensor and angular transducer are connected with electronic test equipment through data acquisition unit, can under the condition that does not influence train operation, detect existing railway roadbed dense state, and be significant to improving railway bed compaction quality detection technique and the roadbed worker journey maintenance technology of working.This detector is light, easy to use, detection is quick, data are reliable, it is damaged not have, do not disturb driving; Can survey in the face of subgrade soil from road bed and roadbed side slope, be applicable to that existing railway has tiny fragments of stone, coal, etc. track bed and non-fragment orbit roadbed dense state to detect and assessment.
Description of drawings
The structural representation of the existing roadbed dense state detector that Fig. 1 provides for the utility model embodiment.
Among the figure: 1-energy measuring apparatus, 2-feeler lever, 3-leading truck, 4-conical probe, 5-standard hammer, 6-handle, 7-draw-wire displacement sensor, 8-electronic test equipment, 9-data acquisition unit, 10-angle regulator, 11-angular transducer.
The specific embodiment
To combine accompanying drawing that the utility model embodiment is done to describe in detail further below.
The existing roadbed dense state detector of the utility model, its preferable specific embodiment is:
Comprise feeler lever, data acquisition unit, electronic test equipment; The bottom of said data acquisition unit is provided with angle regulator, sidepiece is provided with leading truck; Said feeler lever is inserted in the said leading truck; The lower end of said feeler lever is provided with conical probe, the upper end is provided with energy measuring apparatus; Be provided with draw-wire displacement sensor and angular transducer in the said data acquisition unit, the stay cord of said draw-wire displacement sensor is connected with the upper end of said feeler lever, and said energy measuring apparatus, draw-wire displacement sensor and angular transducer are connected with said electronic test equipment through data acquisition unit.
The outside of said energy measuring apparatus is provided with handle, and the stay cord of said draw-wire displacement sensor is connected with said handle.
This detector can be furnished with the standard hammer.
Said electronic test equipment comprises tester, panel, and the tester side is provided with printer interface and charging socket, and panel is provided with LCDs, button.
Said electronic test equipment is connected with data acquisition unit through cable, can show each hammering depth of penetration, injection angle, utilize the injection angle to draw level and upright position, probe penetration resistance, the depth of penetration curve of probe and the E that calculates according to dependency relation
VdValue, K
30Value etc.
The utility model can detect existing railway roadbed dense state under the condition that does not influence train operation, and is significant to improving railway bed compaction quality detection technique and the roadbed worker journey maintenance technology of working.This detector is light, easy to use, detection is quick, data are reliable, it is damaged not have, do not disturb driving; Can survey in the face of subgrade soil from road bed and roadbed side slope, be applicable to that existing railway has tiny fragments of stone, coal, etc. track bed and non-fragment orbit roadbed dense state to detect and assessment.
The beneficial effect of the utility model can be summarized as following aspect:
1. adopt the hammering load mode, do not needed counterforce device.Hammering energy adopts vibration-measuring sensor to detect, and utilizes correlation formula to calculate.
2. through being installed in the draw-wire displacement sensor in the depth measurement device, can accurately record injection amount and total injection amount after each hammering.
3. existing railway roadbed dense state detector is provided with level(l)ing device, regulates this device and can make feeler lever and conical probe with different angles injection road bed and roadbed side slope face.
4. existing railway roadbed dense state detector is provided with angular transducer, can detect the injection angle after each hammering, simultaneously the electronic test equipment level and the upright position that draw probe according to this angle.
5. electronic test equipment is calculated testing result automatically, can show depth of penetration, probe penetration resistance, the depth of penetration curve of each hammering and can convert the result into E according to the dependency relation formula
VdOr K
30Value shows.
Specific embodiment:
As shown in Figure 1, comprise standard hammer 5, bogey, data acquisition unit 9 and electronic test equipment 8.
Said standard hammer 5 comprises tup and hammer handle, is used to provide the injection energy.
Said bogey is by being followed successively by energy measuring apparatus 1, feeler lever 2, conical probe 4 under last.Energy testing apparatus 1 side is provided with handle, and the bottom is connected with feeler lever 2, and the injection energy that vibration-measuring sensor is used to detect each hammering is equipped with in inside, and vibration-measuring sensor is connected with data acquisition unit 9 through cable.Feeler lever 2 is dismountable structure, can increase feeler lever length according to actual MTD.Feeler lever 2 bottoms are connected with dismountable conical probe 4, choose the probe of different-diameter according to different soil properties and test.
Draw-wire displacement sensor 7 and angular transducer are equipped with in said data acquisition unit 9 inside, are used to detect depth of penetration and injection angle.The side has leading truck 3, during test feeler lever 2 is inserted in the leading truck 3 fixedly injection direction.Simultaneously data acquisition unit 9 bottoms are provided with angle regulator 10, make the feeler lever 2 can be with different angles injection road bed and roadbed side slope face.
Said electronic test equipment 8 is connected with data acquisition unit 9 through cable, can show each hammering depth of penetration, injection angle, utilize the injection angle to draw level and upright position, probe penetration resistance, the depth of penetration curve of probe and the E that calculates according to dependency relation
VdValue, K
30Value.
Said electronic test equipment 8 comprises tester, panel (not shown), and the tester side is provided with printer interface (not shown) and charging socket (not shown), and panel is provided with LCDs (not shown), button (not shown).
The operating principle of specific embodiment is:
Testing crew applies impact force through standard hammer 5 to bogey, makes in the feeler lever 2 and conical probe 4 injection soil of bogey.The energy that is produced in the impact process is detected and is calculated through correlation formula by the vibration-measuring sensor that is installed in the energy measuring apparatus 1.Depth of penetration that hammering produces and injection angle are recorded by the draw-wire displacement sensor 7 and the angular transducer 11 that are installed in the data acquisition unit 9; Data acquisition unit 9 passes to electronic test equipment 8 through cable with the vibration measuring signal, displacement signal and the angle signal that collect; In electronic test equipment 8 A/D converter (A/D), data processor handle after, final result is shown (depth of penetration of each hammering, injection angle, utilizes the injection angle to draw level and upright position, probe penetration resistance, the depth of penetration curve of probe and the E that calculates according to dependency relation
VdValue, K
30Value) in LCDs, printable this result of while.
Existing roadbed dense state detector is assessed existing railway tiny fragments of stone, coal, etc. track bed and non-fragment orbit roadbed dense state is arranged through detecting after each hammering injection energy, depth of penetration, the injection angle of the soil body; Be applicable to all kinds of cohesive soils, sand, gravel soil, maximum depth of penetration can reach 4-8 rice.
The above; Be merely the preferable specific embodiment of the utility model; But the protection domain of the utility model is not limited thereto; Any technician who is familiar with the present technique field is in the technical scope that the utility model discloses, and the variation that can expect easily or replacement all should be encompassed within the protection domain of the utility model.Therefore, the protection domain of the utility model should be as the criterion with the protection domain of claims.
Claims (4)
1. existing roadbed dense state detector; It is characterized in that; Comprise feeler lever, data acquisition unit, electronic test equipment, the bottom of said data acquisition unit is provided with angle regulator, sidepiece is provided with leading truck, and said feeler lever is inserted in the said leading truck; The lower end of said feeler lever is provided with conical probe, the upper end is provided with energy measuring apparatus; Be provided with draw-wire displacement sensor and angular transducer in the said data acquisition unit, the stay cord of said draw-wire displacement sensor is connected with the upper end of said feeler lever, and said energy measuring apparatus, draw-wire displacement sensor and angular transducer are connected with said electronic test equipment through said data acquisition unit.
2. existing roadbed dense state detector according to claim 1 is characterized in that the outside of said energy measuring apparatus is provided with handle, and the stay cord of said draw-wire displacement sensor is connected with said handle.
3. existing roadbed dense state detector according to claim 1 and 2 is characterized in that, this detector is furnished with the standard hammer.
4. existing roadbed dense state detector according to claim 1 and 2 is characterized in that said electronic test equipment comprises tester, panel, and the tester side is provided with printer interface and charging socket, and panel is provided with LCDs, button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220133896 CN202543880U (en) | 2012-03-31 | 2012-03-31 | Existing roadbed dense state detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220133896 CN202543880U (en) | 2012-03-31 | 2012-03-31 | Existing roadbed dense state detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202543880U true CN202543880U (en) | 2012-11-21 |
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ID=47164534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220133896 Withdrawn - After Issue CN202543880U (en) | 2012-03-31 | 2012-03-31 | Existing roadbed dense state detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202543880U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102621059A (en) * | 2012-03-31 | 2012-08-01 | 中铁第五勘察设计院集团有限公司 | Instrument for detecting dense state of existing roadbed |
| CN109916751A (en) * | 2019-03-18 | 2019-06-21 | 中铁二院工程集团有限责任公司 | A kind of steep gradient ballast track bed long-term stable experiment device and test method |
-
2012
- 2012-03-31 CN CN 201220133896 patent/CN202543880U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102621059A (en) * | 2012-03-31 | 2012-08-01 | 中铁第五勘察设计院集团有限公司 | Instrument for detecting dense state of existing roadbed |
| CN102621059B (en) * | 2012-03-31 | 2015-04-08 | 中铁第五勘察设计院集团有限公司 | Instrument for detecting dense state of existing roadbed |
| CN109916751A (en) * | 2019-03-18 | 2019-06-21 | 中铁二院工程集团有限责任公司 | A kind of steep gradient ballast track bed long-term stable experiment device and test method |
| CN109916751B (en) * | 2019-03-18 | 2023-11-17 | 中铁二院工程集团有限责任公司 | Long-term stability test device and test method for ballast bed of large ramp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121121 Effective date of abandoning: 20150408 |
|
| RGAV | Abandon patent right to avoid regrant |